Customers will still experience potential outages on PG&E's grid since the utility delivers the power and maintains the lines.

"So in this heat wave, if the power goes out, you would still report that to PG&E and not to us because what we're doing is on the back end is supplying clean energy to all the businesses and residences in our service area," said Leonard.

Silicon Valley Clean Energy customers will save money using its electricity. That's an important factor for those who watch their bills.